Sirhowy

Technical drawing numbers
S2340/1Record of amendments
S2340/2Locking sketch
S2340/3Mechanical locking table
S2340/4Detection table
S2340/5Electrical control table
S2340/6Dog chart
S2340/7Lever leads
S2340/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Nantybwch No. 1  ——  This box   ——  Tredegar No. 1

The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file will be published on a CD-ROM entitled 'Great Western Railway Signal Box Diagrams - South Wales'. For availability and ordering information, click on the image below.

This page last updated on 8th October 2010.